Abstract

Abstract Donor-doped BaTiO3 ceramics show very high endurance under DC field stress and are there-fore suitable candidates for the manufacture of multilayer capacitors with thin dielectric layers. CeO2 additives were found to be excellent donor dopants. The donor effect results from Ce3+ ions incorporated on Ba sites of the perovskite lattice. Defect chemistry, solubility of CeO2 in BaTiO3 and the ferroelectric phase transition of Ce-modified BaTiO3 have been studied by several methods.

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